Council for Research in Values and Philosophy, 2007
Buku Teks
Vaišniene, Daiva, author
Springer, 2012
eBooks
Anindya Ayu Sulistyani, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Verlag Ruegger, 1999
Buku Teks
Routledge, , 2014
Buku Teks